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LR0: The artificial terminal "$" is now autoamtically included

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This commit is contained in:
Paul Beckingham 2016-01-06 10:31:14 -05:00
parent 1abcd7ed3d
commit b3eef3f959
1 changed files with 4 additions and 2 deletions
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6
src/LR0.cpp
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@ -179,15 +179,17 @@ void LR0::closeState (States& states, const int state) const
////////////////////////////////////////////////////////////////////////////////
void LR0::createParseTable (States& states)
{
// Add artificial end-point.
_terminals.push_back ("$");
// First size the tables:
// - Create a row for every state
// - Create a column for every terminal in the _actions table
// - Create a column for every rule in the _goto table
for (unsigned int state = 0; state < states.size (); ++state)
{
// Create a column for every terminal, plus "$".
// Create a column for every terminal.
_actions.push_back ({});
_actions[state]["$"] = "";
for (auto& terminal : _terminals)
_actions[state][terminal] = "";